SEMBIRING, E. F. B. .; INDRIYANTO, I.; DURYAT, D. Keragaman Jenis Tumbuhan Obat Di Hutan Pendidikan Universitas Sumatera Utara Kawasan Taman Hutan Raya Tongkoh Kabupaten Karo Sumatera Utara. Jurnal Sylva Lestari, [S. l.], v. 3, n. 2, p. 113–122, 2015. DOI: 10.23960/jsl23113-122. Disponível em: https://sylvalestari.fp.unila.ac.id/index.php/JHT/article/view/106. Acesso em: 6 may. 2024.